5-噻吩-2-基-1,3,4-噁二唑-2(3h)-酮

3-cyclohexyl-1H-benzimidazol-2-one

7-hydroxy-3-[hydroxy(phenyl)methylidene]chromene-2,4-dione

1-甲基四氢嘧啶-2(1H)-酮

N-甲氧基-n-甲基异烟酰胺